Quroa user David Klain stated: ”When staying in a hotel, you can put that door stop under the door preventing someone from breaking in (the chain on the door will stop no one)."

He added: "In the case of a terrorist attack or lone gunman or active shooter incident, typically they will go through all rooms. But, if they can't get the door open, move on to other rooms before working their way back to the doors that wouldn't open.

"This buys you time for you to get away or police to respond. The doorstop can also be used in an office or other location should a situation take place."

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Hotel rooms that aren't at the end of the building could be ruined by partygoers

It’s not the only advice about hotels that holidaymakers should heed.

Many should also never use the kettle within the rooms when tempted to make a brew.